import ngModule from '../module';
import Section from 'salix/components/section';

class Controller extends Section {
    constructor($element, $, vnWeekDays) {
        super($element, $);
        this.vnWeekDays = vnWeekDays;
        this.editMode = 'include';
    }

    $onInit() {
        this.refresh();
    }

    get path() {
        return `Zones/${this.$params.id}/events`;
    }

    get exclusionsPath() {
        return `Zones/${this.$params.id}/exclusions`;
    }

    refresh() {
        let data = {};
        this.$q.all([
            this.$http.get(this.path)
                .then(res => data.events = res.data),
            this.$http.get(this.exclusionsPath)
                .then(res => data.exclusions = res.data)
        ]).finally(() => {
            this.$.data = data;
        });
    }

    formatWdays(weekDays) {
        if (!weekDays) return;

        let abrWdays = weekDays
            .split(',')
            .map(wday => this.vnWeekDays.map[wday].localeAbr);

        return abrWdays.length < 7
            ? abrWdays.join(', ')
            : this.$t('Everyday');
    }

    onSelection(days, type, weekday, events, exclusions) {
        if (this.editMode == 'include') {
            if (events.length)
                this.edit(events[0]);
            else
                this.create(type, days, weekday);
        } else {
            if (exclusions.length)
                this.exclusionDelete(exclusions);
            else
                this.exclusionCreate(days);
        }
    }

    onEditClick(row, event) {
        if (event.defaultPrevented) return;
        this.edit(row);
    }

    edit(row) {
        this.isNew = false;
        this.selected = angular.copy(row);
        this.selected.wdays = this.vnWeekDays.fromSet(row.weekDays);
        this.$.dialog.show();
    }

    create(type, days, weekday) {
        this.isNew = true;

        if (type == 'weekday') {
            let wdays = [];
            if (weekday) wdays[weekday] = true;

            this.selected = {
                type: 'indefinitely',
                wdays
            };
        } else {
            this.selected = {
                type: 'day',
                dated: days[0]
            };
        }

        this.$.dialog.show();
    }

    onIncludeResponse(response) {
        switch (response) {
        case 'accept': {
            let selected = this.selected;
            let type = selected.type;

            selected.weekDays = this.vnWeekDays.toSet(selected.wdays);

            if (type == 'day')
                selected.weekDays = '';
            else
                selected.dated = null;

            if (type != 'range') {
                selected.started = null;
                selected.ended = null;
            }

            let req;

            if (this.isNew)
                req = this.$http.post(this.path, selected);
            else
                req = this.$http.put(`${this.path}/${selected.id}`, selected);

            return req.then(() => {
                this.selected = null;
                this.isNew = null;
                this.refresh();
            });
        }
        case 'delete':
            return this.onDelete(this.selected.id)
                .then(response => response == 'accept');
        }
    }

    onDeleteClick(id, event) {
        if (event.defaultPrevented) return;
        event.preventDefault();
        this.onDelete(id);
    }

    onDelete(id) {
        return this.$.confirm.show(
            response => this.onDeleteResponse(response, id));
    }

    onDeleteResponse(response, id) {
        if (response != 'accept' || !id) return;
        return this.$http.delete(`${this.path}/${id}`)
            .then(() => this.refresh());
    }

    exclusionCreate(days) {
        let exclusions = days.map(dated => {
            return {dated};
        });

        this.$http.post(this.exclusionsPath, exclusions)
            .then(() => this.refresh());
    }

    exclusionDelete(exclusions) {
        let reqs = [];

        for (let exclusion of exclusions) {
            if (!exclusion.id) continue;
            let path = `${this.exclusionsPath}/${exclusion.id}`;
            reqs.push(this.$http.delete(path));
        }

        this.$q.all(reqs)
            .then(() => this.refresh());
    }
}
Controller.$inject = ['$element', '$scope', 'vnWeekDays'];

ngModule.vnComponent('vnZoneEvents', {
    template: require('./index.html'),
    controller: Controller
});